A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 6105-00-987-7935
NSN 5985-01-144-4671
NSN 5998-00-314-9638
NSN 5895-01-052-8886
NSN 6650-01-102-7847
NSN 6105-01-484-0233
NSN 5990-00-446-0518
NSN 6320-00-557-3079
NSN 5965-01-250-8542
NSN 5835-01-558-9444
NSN 5920-00-161-4564
NSN 6110-01-594-9812